void ParticleSystem::killAllParticles() {
for (int e = 0; e < _numEmitters; e++) {
_emitter[e].currentParticle = NULL_PARTICLE;
_emitter[e].emitReserve = 0.0f;
_emitter[e].previousPosition = _emitter[e].position;
_emitter[e].rate = 0.0f;
_emitter[e].currentParticle = 0;
_emitter[e].numParticlesEmittedThisTime = 0;
}
for (int p = 0; p < MAX_PARTICLES; p++) {
killParticle(p);
}
}
/// Updates particles ages and removes any particles that have expired
void ParticleEffect::killParticles()
{
// By starting from the back, we do less work. See ParticleEffect::killParticle
// for details.
for(int i=m_nLiveParticleCount-1; i>=0; i--)
{
m_Particles[m_drawOrder[i]].lifeleft -= m_fElapsedTime;
if(m_Particles[m_drawOrder[i]].lifeleft < 0.0f)
{
killParticle(i);
}
}
// if we're not cycling and there are none left
if(m_IsDying && m_nLiveParticleCount == 0)
m_bIsDead = true; // we're dead
}
void ParticleSystem::simulate(float deltaTime) {
_timer += deltaTime;
// update emitters
for (int emitterIndex = 0; emitterIndex < _numEmitters; emitterIndex++) {
assert(emitterIndex <= MAX_EMITTERS);
if (_emitter[emitterIndex].active) {
updateEmitter(emitterIndex, deltaTime);
}
}
// update particles
for (int p = 0; p < MAX_PARTICLES; p++) {
if (_particle[p].alive) {
if (_particle[p].age > _emitter[_particle[p].emitterIndex].particleLifespan) {
killParticle(p);
} else {
updateParticle(p, deltaTime);
}
}
}
}
//--------------------------------------------------------------
void testApp::update(){
while( receiver.hasWaitingMessages() ){
ofxOscMessage m;
receiver.getNextMessage( &m );
if( m.getAddress() == "/particle/new" ){
int x = m.getArgAsInt32( 0 );
int y = m.getArgAsInt32( 1 );
int n = m.getArgAsInt32( 2 );
int h = m.getArgAsInt32( 3 );
insertParticle(x, y, n, h);
}
}
tuioClient.getMessage();
//-------------------------------
if (timer <= standBy){
nucle.mass = 10;
nucle.maxDistance = screenHeight*0.07;
if ( timer >= (standBy-standBy/3)){
universe.mass = 10;
universe.proportional= false;
universe.clockwise = false;
universe.impulse = timer - (standBy - standBy/3);
universe.angle = -40;
universe.density = 0.8;
blur.setRadius(1);
fboAlpha = 200;
} else {
universe.mass = 0.75;
universe.proportional= true;
universe.clockwise = true;
universe.impulse = 0.3;
universe.angle = 0;
universe.density = 0.7;
blur.setRadius(0.5);
fboAlpha = 150;
}
} else {
nucle.maxDistance = screenHeight*0.01;
nucle.mass = 0.7;
blur.setRadius(2);
fboAlpha = 255;
}
for (int i=0; i < pAct.size() ; i++)
if (universe.onSpace(pAct[i]->loc) && (pAct[i]->alpha > 5) ){
pAct[i]->update();
if (nucle.onSpace(pAct[i]->loc))
if (pAct[i]->bArrive)
killParticle(i);
} else killParticle(i);
for (int i=0; i < pInact.size() ; i++)
if (!universe.onSpace(pInact[i]->loc) || (pInact[i]->alpha < 5) )
pInact.erase(pInact.begin()+i);
else pInact[i]->update();
timer += 1/ofGetFrameRate();
}
